- 制造厂商：TI
- 产品类别：接口
- 技术类目：RS-232 收发器
- 功能描述：四路差分线路接收器
- 点击这里打开及下载SN75154的技术文档资料
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The SN75154 is a monolithic low-power Schottky line receiver designed to satisfy the requirements of the standard interface between data terminal equipment and data communication equipment as defined by ANSI Standard EIA/TIA-232-E. Other applications are for relatively short, single-line, point-to-point data transmission and for level translators. Operation is normally from a single 5-V supply; however, a built-in option allows operation from a 12-V supply without the use of additional components. The output is compatible with most TTL circuits when either supply voltage is used.
In normal operation, the threshold-control terminals are connected to the VCC1 terminal, even if power is being supplied via the alternate VCC2 terminal. This provides a wide hysteresis loop, which is the difference between the positive-going and negative-going threshold voltages. See typical characteristics. In this mode of operation, if the input voltage goes to zero, the output voltage will remain at the low or high level as determined by the previous input.
For fail-safe operation, the threshold-control terminals are open. This reduces the hysteresis loop by causing the negative-going threshold voltage to be above zero. The positive-going threshold voltage remains above zero as it is unaffected by the disposition of the threshold terminals. In the fail-safe mode, if the input voltage goes to zero or an open-circuit condition, the output will go to the high level regardless of the previous input condition.
The SN75154 is characterized for operation from 0°C to 70°C.
- Meets or Exceeds the Requirements of ANSI Standard EIA/TIA-232-E and ITU Recommendation V.28
- Input Resistance . . . 3 k Over Full EIA/TIA-232-E Voltage Range
- Input Threshold Adjustable to Meet Fail-Safe Requirements Without Using External Components
- Built-In Hysteresis for Increased Noise Immunity
- Inverting Output Compatible With TTL
- Output With Active Pullup for Symmetrical Switching Speeds
- Standard Supply Voltages . . . 5 V or 12 V
- Drivers per package
- 4
- Receivers per package
- 4
- Logic voltage (Min) (V)
- 5
- Data rate (Max) (kbps)
- 1000
- Main supply voltage (Nom) (V)
- 5, 12
- ESD HBM (kV)
- 0
- Rating
- Catalog
- Operating temperature range (C)
- 0 to 70
SN75154的完整型号有：SN75154D、SN75154DR、SN75154N、SN75154NSR，以下是这些产品的关键参数及官网采购报价：
SN75154D，工作温度：0 to 70，封装：SOIC (D)-16，包装数量MPQ：40个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN75154D的批量USD价格：.716（1000+）
SN75154DR，工作温度：0 to 70，封装：SOIC (D)-16，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN75154DR的批量USD价格：.62（1000+）
SN75154N，工作温度：0 to 70，封装：PDIP (N)-16，包装数量MPQ：25个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：NIPDAU，TI官网SN75154N的批量USD价格：.692（1000+）
SN75154NSR，工作温度：0 to 70，封装：SO (NS)-16，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN75154NSR的批量USD价格：.525（1000+）
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